Signing the .xll add in binary for Excel's Trust Center - ittegrat/ExcelDna GitHub Wiki

This is about signing the .xll binary so that the security settings in Excel's Trust Center can be used to ensure safety of the binaries loaded into Excel. (Do not confuse with signing and strong naming the .NET assembly, which is not useful for Excel-DNA add-ins.)

The utility that signs binary files like an .xll with a certificate is called SignTool.

Some links:

https://msdn.microsoft.com/en-us/library/8s9b9yaz(v=vs.110).aspx

There are some related discussions on the Excel-DNA Google group too, if you search for "signtool": https://groups.google.com/forum/#!searchin/exceldna/signtool|sort:relevance/exceldna/hYkqtD0vifc/KIxqPFm8CgAJ https://groups.google.com/forum/#!searchin/exceldna/signtool|sort:relevance/exceldna/TLah0Vfymxk/C_lAz6tACAAJ

TODO: Write some nice instructions and/or incorporate into the build script.